197TAD20 NACHI 197x290x120mm Weight 25.5 Kg Thrust ball bearings
| Bearing number | 197TAD20 |
| Size (mm) | 197x290x120 |
| Brand | NACHI |
| Bore Diameter (mm) | 197 |
| Outer Diameter (mm) | 290 |
| Width (mm) | 120 |
| d | 197 mm |
| D | 290 mm |
| T | 120 mm |
| ra1 max. | 1 mm |
| Angle (α) | 60 ° |
| d1 | 258 mm |
| r min. | 2.1 mm |
| r1 min. | 1.1 mm |
| C | 60 mm |
| da min. | 230 mm |
| Da max. | 274 mm |
| ra max. | 2 mm |
| Weight | 25.5 Kg |
| Basic dynamic load rating (C) | 203 kN |
| Basic static load rating (C0) | 665 kN |
| (Grease) Lubrication Speed | 1450 r/min |
Detailed Parameters
parameter：
| NU3234 Cylindrical roller bearings | Bore Diameter :170mm ，Brand:CX ，Size :170x310x110mm ，Width :110mm ，Outer Diameter :310mm |
| HCS71901-E-T-P4S Angular contact ball bearings | Outer Diameter :24mm ，Brand:FAG ，Size :12x24x6mm ，Bore Diameter :12mm |
| 7405 BDF Angular contact ball bearings | d:25 mm ，Brand:ISO ，Size :25x80x42mm ，Bore Diameter :25mm ，Width :42mm ，Outer Diameter :80mm |
| LM451349/LM451310A Tapered roller bearings | Width :57.15mm ，Bore Diameter :266.7mm ，Brand:NTN ，Outer Diameter :355.6mm ，Size :266.7x355.6x57.15mm |
| 22234-MB-W33 Spherical roller bearings | Size :170x310x86mm ，Bore Diameter :170mm ，Brand:NKE ，Outer Diameter :310mm |
| Y-2414 Needle roller bearings | Bore Diameter :38.1mm ，Outer Diameter :47.625mm ，Brand:NSK ，Size :38.1x47.625x22.22mm |
| SA45ES Plain bearings | Width (B):32.0000 ，Width :32mm ，Bore Dia (d):45.0000 ，Brand:AST ，Bearing Type - steel-on-steel:steelonsteel ，Bore Diameter :45mm |
| 2LA-HSE930ADG/GNP42 Angular contact ball bearings | Bore Diameter :150mm ，Size :150x210x28mm ，Brand:NTN ，Outer Diameter :210mm |
| GAC 65 CP Plain bearings | Width :23mm ，Bore Diameter :65mm ，Outer Diameter :100mm ，Size :65x100x23mm ，Brand:ISB |
| HR32311J Tapered roller bearings | Width :45.5mm ，Bore Diameter :55mm ，Brand:NSK ，Outer Diameter :120mm ，Size :55x120x45.5mm |
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